May I ask for some further clarification? Is this meant to be a essay about events in your life, or just about your likes and interests?
Answer:
The answer is postage.
A postage has to do with shipping payment. A buisness letter doesn't need that but it does need a return address, date, their address.
Answer:
I would say A or B.
Explanation:
One talks about democracy and the other talks about government, both tying into you answer on part A.
Answer passage 1 is sentence 2 passage is sentence 3 both is sentence 1
3a
Explanation: